Question

How to determine dissolved oxygen from water by using Winkler’s method? (5 marks)

Answer 1

Answer:

• The Winkler method is done by noting a color change when titrating a fresh water sample.
• The Winkler method for measuring dissolved oxygen involves titrating a sample with a series of reagents.
• Oxygen solubility at different water temperatures.

Answer 2

Answer:

Answer:

The Winkler method is done by noting a color change when titrating a fresh water sample.

The Winkler method for measuring dissolved oxygen involves titrating a sample with a series of reagents.

Oxygen solubility at different water temperatures.

Explanation:

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